Year | PHs | PCs and GHDs | PHs, PCs and GHDs | Other institutions | DPCs | Sum all institutions |
---|---|---|---|---|---|---|
1950 | 8.5 | Â | Â | 0.0 | Â | Â |
1951 | 8.5 | Â | Â | 0.0 | Â | Â |
1952 | 8.4 | Â | Â | 0.0 | Â | Â |
1953 | 8.6 | Â | Â | 0.0 | Â | Â |
1954 | 8.5 | Â | Â | 0.8 | Â | Â |
1955 | 8.8 | Â | Â | 0.9 | Â | Â |
1956 | 9.4 | Â | Â | 1.1 | Â | Â |
1957 | 10.0 | Â | Â | 1.1 | Â | Â |
1958 | 10.3 | Â | Â | 1.1 | Â | Â |
1959 | 13.3 | Â | Â | 1.3 | Â | Â |
1960 | 13.3 | Â | Â | 1.4 | Â | Â |
1961 | 14.0 | Â | Â | 1.6 | Â | Â |
1962 | 16.4 | Â | Â | 1.5 | Â | Â |
1963 | 17.7 | Â | Â | 1.5 | Â | Â |
1964 | 18.3 | 15.9 | 34.2 | 1.5 | Â | 35.8 |
1965 | 18.1 | 15.0 | 33.1 | 1.4 | Â | 34.5 |
1966 | 18.4 | 16.2 | 34.5 | 1.4 | Â | 35.9 |
1967 | 18.3 | 18.2 | 36.4 | 1.3 | Â | 37.8 |
1968 | 18.8 | 20.0 | 38.8 | 1.5 | Â | 40.3 |
1969 | 19.3 | 21.7 | 40.9 | 1.5 | Â | 42.4 |
1970 | 20.4 | 23.4 | 43.8 | 1.5 | Â | 45.3 |
1971 | 23.0 | 24.2 | 47.2 | 1.7 | Â | 48.8 |
1972 | 23.4 | 23.6 | 47.0 | 2.3 | Â | 49.3 |
1973 | 24.3 | 23.7 | 48.0 | 2.3 | Â | 50.3 |
1974 | 24.5 | 21.8 | 46.3 | 2.3 | Â | 48.6 |
1975 | 24.8 | 20.7 | 45.5 | 2.6 | Â | 48.1 |
1976 | 26.6 | 22.3 | 48.9 | 2.5 | Â | 51.4 |
1977 | 26.5 | 21.1 | 47.5 | 2.4 | Â | 49.9 |
1978 | 27.4 | 18.9 | 46.2 | 2.2 | Â | 48.5 |
1979 | 28.3 | 19.6 | 47.9 | 2.8 | Â | 50.7 |
1980 | 26.4 | 19.5 | 45.8 | 2.9 | Â | 48.7 |
1981 | 22.8 | 19.5 | 42.3 | 2.8 | Â | 45.1 |
1982 | 23.3 | 18.6 | 42.0 | 3.2 | Â | 45.2 |
1983 | 24.0 | 20.4 | 44.4 | 3.5 | Â | 47.9 |
1984 | 24.3 | 18.7 | 43.0 | 4.1 | Â | 47.1 |
1985 | 22.4 | 17.2 | 39.6 | 3.8 | Â | 43.4 |
1986 | 21.3 | 16.8 | 38.2 | 4.8 | Â | 43.0 |
1987 | 20.6 | 16.5 | 37.1 | 5.9 | Â | 43.0 |
1988 | 21.8 | 16.7 | 38.5 | 5.9 | Â | 44.4 |
1989 | 22.1 | 17.6 | 39.7 | 6.7 | Â | 46.4 |
1990 | 21.2 | 18.8 | 40.0 | 7.6 | Â | 47.6 |
1991 | Â | Â | 38.7 | 6.5 | 2.0 | 47.3 |
1992 | Â | Â | 40.4 | 6.6 | 3.0 | 50.0 |
1993 | Â | Â | 40.9 | 6.5 | 4.0 | 51.4 |
1994 | Â | Â | 40.6 | 7.0 | 5.2 | 52.8 |
1995 | Â | Â | 41.8 | 8.0 | 5.1 | 55.0 |
1996 | Â | Â | 43.6 | 8.6 | 7.3 | 59.5 |
1997 | Â | Â | 46.1 | 6.8 | 11.1 | 64.0 |
1998 | Â | Â | 47.5 | 5.3 | 12.9 | 65.7 |
1999 | Â | Â | 50.7 | 4.6 | 12.8 | 68.1 |
2000 | Â | Â | 52.0 | 5.1 | 16.0 | 73.1 |
2001 | Â | Â | 52.1 | 5.0 | 18.5 | 75.7 |
2002 | Â | Â | 55.0 | 3.6 | 23.1 | 81.7 |
2003 | Â | Â | 58.7 | 3.6 | 25.8 | 88.2 |
2004 | Â | Â | 56.6 | 1.3 | 31.6 | 89.5 |
2005 | Â | Â | 58.2 | 1.0 | 34.5 | 93.8 |
2006 | Â | Â | 63.5 | 0.8 | 37.3 | 101.6 |
2007 | Â | Â | 60.5 | 0.6 | 39.5 | 100.7 |