The raw results from the chi^2 minimization procedure. For each absorption system we list the QSO emission redshift, z_em, the nominal absorption system redshift, z_abs, the transitions fitted and the value of da/a with associated 1-sigma statistical error. A `*' after da/a indicates systems included in the `high-contrast' sample. An additional random error of 2.09x10^{-5} should be added in quadrature to these systems to form the fiducial sample (see Section 4.2). Object z_em z_abs Transitions da/a (10^{-5}) Previous low-z sample 0002+0507 1.90 0.85118 bcnopqr -0.346 +/- 1.279 0117+2118 1.49 0.72913 abcqr 0.084 +/- 1.297 1.0479 bcnpr -0.223 +/- 2.200 1.3246 bcpqr 0.695 +/- 0.803 1.3428 cnpq -1.290 +/- 0.948 0420-0127 0.915 0.63308 abcr 4.211 +/- 4.076 0450-1312 2.25 1.1743 bnopr -3.070 +/- 1.098 1.2294 bcnpqr -1.472 +/- 0.836 1.2324 bcp 1.017 +/- 2.752 0454+0356 1.34 0.85929 acnoprq 0.405 +/- 1.325 1.1534 bcnqr -0.749 +/- 1.782 0823-2220 0.91 0.91059 bcnpqr -0.394 +/- 0.609 1148+3842 1.30 0.55339 bcqr -1.861 +/- 1.716 1206+4557 1.16 0.92741 bcnopqr -0.218 +/- 1.389 1213-0017 2.69 1.3196 abcnopqr -0.738 +/- 0.760 1.5541 bcnopqr -1.268 +/- 0.892 1222+2251 2.05 0.66802 bcnpr 0.067 +/- 1.474 1225+3145 2.22 1.7954 abcnopr -1.296 +/- 1.049 1248+4007 1.03 0.77292 bcnopqr 2.165 +/- 1.191 0.85452 bcnpqr -0.021 +/- 1.268 1254+0443 1.02 0.51934 abcqr -3.371 +/- 3.247 0.93426 bcnpqr 1.485 +/- 1.908 1317+2743 1.01 0.66004 bcnpqr 0.590 +/- 1.515 1421+3305 1.91 0.84324 bcnopqr 0.099 +/- 0.847 0.90301 bcnopqr -0.998 +/- 1.783 1.1726 bcnpr -2.844 +/- 1.448 1634+7037 1.34 0.99010 bcnpqr 1.094 +/- 2.459 Previous high-z sample 0019-1522 4.53 3.4388 ghl 0.925 +/- 3.958 0100+1300 2.68 2.3095 efgjklmvw -3.941 +/- 1.368 * 0149+3335 2.43 2.1408 defghijklmstu -5.112 +/- 2.118 * 0201+3634 2.49 1.4761 cnoqr -0.647 +/- 1.219 1.9550 ehil 1.989 +/- 1.048 * 2.3240 deghl 0.758 +/- 1.592 2.4563 dgl -3.731 +/- 2.285 2.4628 ghiltu 0.572 +/- 1.719 * 0347-3819 3.23 3.0247 gl -2.795 +/- 3.429 0841+1256 2.55 2.3742 dghijtuvw 2.277 +/- 3.816 * 2.4761 dghijklmtu -4.304 +/- 1.944 * 1215+3322 2.61 1.9990 defghijlmtuvw 5.648 +/- 3.131 * 1759+7539 3.05 2.6253 eghklmstu -0.750 +/- 1.387 * 2.6253 dglmstu -0.492 +/- 1.645 * 2206-1958 2.56 0.94841 bcnpqr -3.659 +/- 1.855 1.0172 abcnopqr -0.322 +/- 0.732 1.9204 dghijklmstuvw 1.878 +/- 0.702 * 2230+0232 2.15 1.8585 dghjlnpstu -5.407 +/- 1.179 * 1.8640 ghijklmnostuvw -0.998 +/- 0.492 * 2231-0015 3.02 2.0653 ghjklmtuvw -2.604 +/- 1.015 * 2348-1444 2.94 2.2794 ghl 1.346 +/- 4.180 2359-0216 2.31 2.0951 dghijklstuvw -0.068 +/- 0.722 * 2.1539 dfgl 4.346 +/- 3.338 New sample 0000-2620 4.11 1.4342 bcpr -1.256 +/- 1.167 3.3897 dglm -7.666 +/- 3.231 0002+0507 1.90 0.59137 bcnpqr -3.100 +/- 2.428 0.85118 efnopqr 0.494 +/- 1.021 0055-2659 3.66 1.2679 abcpqr 1.669 +/- 2.745 1.3192 bcpqr -2.642 +/- 2.457 1.5337 abcnopqr -1.319 +/- 1.072 0058+0155 1.96 0.61256 bcnopqr 0.374 +/- 1.189 0.72508 bcnpqr -2.637 +/- 3.522 0119-0437 1.95 0.65741 bcnopqr 7.123 +/- 4.599 0153+7427 2.33 0.74550 bcnpqr -2.168 +/- 0.778 0207+0503 4.19 3.6663 dgl -0.748 +/- 3.468 0216+0803 2.99 1.7680 eflnopqr 0.044 +/- 1.235 0237-2321 2.23 1.3650 deghlnop -0.197 +/- 0.565 0241-0146 4.04 2.0994 dnop -0.739 +/- 2.675 0302-2223 1.41 1.0092 abcnopqr -0.189 +/- 1.008 0449-1325 3.09 1.2667 abcnopq -1.212 +/- 1.430 0528-2505 2.77 0.94398 bcr 0.759 +/- 2.335 2.1406 dghijklnpstu -0.853 +/- 0.880 * 2.8114 defgijklmstuvw 0.850 +/- 0.846 * 0636+6801 3.17 1.2938 bcpqr -1.392 +/- 0.623 0741+4741 3.21 1.6112 abcnpq -1.299 +/- 1.726 3.0173 dghl 0.794 +/- 1.796 0757+5218 3.24 2.6021 defl -1.396 +/- 1.955 2.8677 dgl 3.837 +/- 3.288 0841+1256 2.55 1.0981 bnopr -3.589 +/- 1.203 1.1314 abcnpqr 0.562 +/- 0.787 1.2189 abcnopqrvw -0.522 +/- 0.542 2.3742 deghijknqrtuvw 1.435 +/- 1.227 * 0930+2858 3.42 3.2351 dgl 0.867 +/- 1.777 0940-1050 3.05 1.0598 abcnpqr -0.453 +/- 1.572 0956+1217 3.31 2.3103 defl -2.161 +/- 5.977 1009+2956 2.62 1.1117 bcnpqr -5.461 +/- 2.518 1011+4315 3.10 1.4162 bcnopqr -0.892 +/- 0.552 2.9587 deghlmsu 2.475 +/- 1.706 * 1055+4611 4.12 3.3172 dgl 2.706 +/- 5.677 1107+4847 2.97 0.80757 abcpq 1.199 +/- 1.222 0.86182 abcqr -2.030 +/- 1.632 1.0158 abcp -2.086 +/- 0.934 1132+2243 2.88 2.1053 defgl 6.323 +/- 3.622 1202-0725 4.70 1.7549 bcqr -1.465 +/- 2.182 1206+4557 1.16 0.92741 abcnopqr -0.275 +/- 0.776 1223+1753 2.94 2.4653 hijkmsuvw 1.635 +/- 1.919 2.5577 dglnp 0.546 +/- 1.199 1225+3145 2.22 1.7954 defghl 1.352 +/- 1.388 1244+3142 2.95 0.85048 bcpr -6.897 +/- 7.012 2.7504 dgl 2.414 +/- 4.110 1307+4617 2.13 0.22909 abcr 2.551 +/- 5.392 1337+1121 2.97 2.7955 dhl 4.103 +/- 8.538 1425+6039 3.20 2.7698 dgl -0.688 +/- 1.843 2.8268 dgl 0.433 +/- 0.827 1437+3007 3.00 1.2259 abcnopqr 0.308 +/- 1.460 1442+2931 2.76 2.4389 dgl -0.882 +/- 1.473 1549+1919 2.83 1.1425 cfnpqr -0.076 +/- 0.671 1.3422 nopq -0.740 +/- 1.232 1.8024 def -3.050 +/- 2.473 1626+6433 2.32 0.58596 bcr -1.977 +/- 4.529 2.1102 defgl -0.705 +/- 1.068 1634+7037 1.34 0.99010 abcdnopqr -2.194 +/- 1.343 1850+4015 2.12 1.9900 ghijklmnopqrvw -1.663 +/- 0.859 * 1946+7658 3.02 1.7385 efhijmntu -0.212 +/- 1.857 2.8433 dgl -4.743 +/- 1.289 2145+0643 1.00 0.79026 bcnopqr 0.087 +/- 0.589 2206-1958 2.56 1.0172 abcqr 1.354 +/- 0.883 2.0762 dl 1.429 +/- 3.022 2231-0015 3.02 1.2128 abcopqr 1.223 +/- 1.465 2.0653 efghijklmstuvw 1.707 +/- 1.249 * 2.6532 dglstu -3.348 +/- 1.904 * 2233+1310 3.30 2.5480 dgl 2.942 +/- 5.207 2.5548 defgl 1.732 +/- 6.349 3.1513 dgl -4.005 +/- 3.301 2343+1232 2.52 0.73117 abcoqr -1.211 +/- 0.975 1.5899 acdefgqr 0.453 +/- 1.187 2.1711 cdefnp -0.961 +/- 1.295 2.4300 dgijklnqrstuvw -1.224 +/- 0.389 * 2344+1228 2.77 1.0465 abcinopqr -0.747 +/- 1.530 1.1161 abcopqr 0.009 +/- 1.963 2.5378 dgl -3.205 +/- 2.094