Platform Year | Assessment Elements | ||
Tokens | Types | TTR | |
1948 | 2741 | 967 | 0.353 |
1952 | 5988 | 1735 | 0.290 |
1956 | 11,363 | 2468 | 0.217 |
1960 | 10,644 | 2468 | 0.232 |
1964 | 8757 | 2391 | 0.273 |
1968 | 9958 | 2524 | 0.253 |
1972 | 24,350 | 4215 | 0.173 |
1976 | 20,435 | 3644 | 0.178 |
1980 | 34,514 | 4904 | 0.142 |
1984 | 27,398 | 4614 | 0.168 |
1988 | 36,299 | 5067 | 0.140 |
1992 | 28,389 | 4958 | 0.175 |
1996 | 27,724 | 4653 | 0.168 |
2000 | 34,670 | 5277 | 0.152 |
2004 | 41,935 | 5487 | 0.131 |
2008 | 23,666 | 4202 | 0.178 |
2012 | 32,220 | 5461 | 0.175 |
2016 | 36,286 | 5966 | 0.164 |
Average | 23,130 | 3945 | 0.198 |