551 Health care services	552 Health research and training	554 Consumer and occupational health and safety
1947	1,084	0	50
1948	950	0	26
1949	1,069	0	31
1950	1,535	0	38
1951	1,831	0	42
1952	1,901	0	58
1953	1,797	0	63
1954	1,619	0	67
1955	1,533	0	72
1956	1,906	0	81
1957	2,455	0	94
1958	2,775	0	91
1959	3,521	0	85
1960	4,045	0	89
1961	4,574	0	93
1962	2,546	2,797	429
1963	2,965	3,436	504
1964	3,481	4,351	579
1965	4,072	3,606	601
1966	6,724	4,154	624
1967	8,788	5,192	715
1968	11,403	6,421	758
1969	13,605	6,475	822
1970	15,329	6,480	868
1971	17,422	6,583	1,013
1972	21,668	7,281	1,337
1973	21,824	8,102	1,358
1974	24,056	7,794	1,651
1975	33,162	9,398	676
1976	30,975	8,779	1,812
1977	32,020	8,659	1,836
1978	32,029	8,628	1,941
1979	34,006	7,670	1,912
1980	35,167	8,128	1,965
1981	37,760	8,218	1,864
1982	36,256	7,685	1,732
1983	36,677	7,255	1,723
1984	37,700	7,329	1,736
1985	40,158	8,001	1,759
1986	41,926	8,606	1,693
1987	46,128	8,705	1,693
1988	49,325	9,841	1,760
1989	51,650	10,379	1,788
1990	60,553	10,945	1,858
1991	74,287	10,887	1,908
1992	92,655	11,947	2,095
1993	101,138	12,568	2,052
1994	107,431	12,537	2,123
1995	113,711	12,906	2,140
1996	116,612	11,841	2,110
1997	117,977	12,709	2,170
1998	123,067	13,829	2,148
1999	130,031	15,018	2,267
2000	139,378	16,348	2,378
2001	152,053	18,021	2,560