| Year |
The number of
participants |
The number of
lectures |
| 1960 |
130
|
 |
| 1961 |
200 |
|
| 1962 |
|
|
| 1963 |
300 |
|
| 1964 |
500 |
|
| 1965 |
|
34 |
| 1966 |
|
|
| 1967 |
|
36 |
| 1968 |
193 |
40 |
| 1969 |
166 |
44 |
| 1970 |
|
|
| 1971 |
214 |
128 |
| 1972 |
340 |
108 |
| 1973 |
350 |
117 |
| 1974 |
270 |
130 |
| 1975 |
386 |
99 |
| 1976 |
300 |
143 |
| 1977 |
373 |
166 |
| 1978 |
390 |
191 |
| 1979 |
|
185 |
| 1980 |
500 |
195 |
| 1981 |
|
230 |
| 1982 |
440 |
230 |
| 1983 |
450 |
270 |
| 1984 |
441 |
241 |
| 1985 |
416 |
254 |
| 1986 |
586 |
265 |
| 1987 |
700 |
290 |
| 1988 |
700 |
316 |
| 1989 |
|
320 |
| 1990 |
850 |
361 |
| 1991 |
850 |
386 |
| 1992 |
800 |
423 |
| 1993 |
864 |
413 |
| 1994 |
1,034 |
515 |
| 1995 |
1,000 |
564 |
| 1996 |
1,081 |
579 |
| 1997 |
1,186 |
542 |
| 1998 |
960 |
581 |
| 1999 |
1,235 |
636 |
| 2000 |
1,424 |
709 |
| 2001 |
1,351 |
740 |
| 2002 |
1,481 |
765 |
| 2003 |
1,553 |
746 |
| 2004 |
1,703 |
812 |
| 2005 |
1,534 |
903 |
| 2006 |
1,820 |
921 |
| 2007 |
1,738 |
980 |
| 2008 |
1,752 |
1,019 |
| 2009 |
2,048 |
1,152 |
|
|
|
