ballot
Overview
For further details see the official GSS documentation.
Counts by year:
| year | iap | ballot a | ballot b | ballot c | ballot d | Total |
| 1972 | 1613 | - | - | - | - | 1613 |
| 1973 | 1504 | - | - | - | - | 1504 |
| 1974 | 1484 | - | - | - | - | 1484 |
| 1975 | 1490 | - | - | - | - | 1490 |
| 1976 | 1499 | - | - | - | - | 1499 |
| 1977 | 1530 | - | - | - | - | 1530 |
| 1978 | 1532 | - | - | - | - | 1532 |
| 1980 | 1468 | - | - | - | - | 1468 |
| 1982 | 1860 | - | - | - | - | 1860 |
| 1983 | 1599 | - | - | - | - | 1599 |
| 1984 | 1473 | - | - | - | - | 1473 |
| 1985 | 1534 | - | - | - | - | 1534 |
| 1986 | 1470 | - | - | - | - | 1470 |
| 1987 | 1819 | - | - | - | - | 1819 |
| 1988 | - | 484 | 504 | 493 | - | 1481 |
| 1989 | - | 502 | 504 | 531 | - | 1537 |
| 1990 | - | 473 | 455 | 444 | - | 1372 |
| 1991 | - | 500 | 524 | 493 | - | 1517 |
| 1993 | - | 549 | 531 | 526 | - | 1606 |
| 1994 | - | 981 | 996 | 1015 | - | 2992 |
| 1996 | - | 979 | 981 | 944 | - | 2904 |
| 1998 | - | 921 | 950 | 961 | - | 2832 |
| 2000 | - | 921 | 956 | 940 | - | 2817 |
| 2002 | - | 933 | 911 | 921 | - | 2765 |
| 2004 | - | 952 | 941 | 919 | - | 2812 |
| 2006 | - | 1003 | 989 | 1000 | 1518 | 4510 |
| 2008 | - | 658 | 671 | 694 | - | 2023 |
| 2010 | - | 667 | 763 | 614 | - | 2044 |
| 2012 | - | 636 | 666 | 672 | - | 1974 |
| 2014 | - | 851 | 824 | 863 | - | 2538 |
| 2016 | - | 911 | 977 | 979 | - | 2867 |
| 2018 | - | 785 | 774 | 789 | - | 2348 |
| 2021 | - | 1360 | 1357 | 1315 | - | 4032 |
| 2022 | - | 1173 | 1203 | 1168 | - | 3544 |
| 2024 | - | 1116 | 1067 | 1126 | - | 3309 |
| Total | 21875 | 17355 | 17544 | 17407 | 1518 | 75699 |