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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 208 |
| 1959 | 204 |
| 1960 | 244 |
| 1961 | 212 |
| 1962 | 237 |
| 1963 | 230 |
| 1964 | 219 |
| 1965 | 218 |
| 1966 | 233 |
| 1967 | 233 |
| 1968 | 215 |
| 1969 | 234 |
| 1970 | 219 |
| 1971 | 227 |
| 1972 | 301 |
| 1973 | 288 |
| 1974 | 313 |
| 1975 | 311 |
| 1976 | 349 |
| 1977 | 328 |
| 1978 | 376 |
| 1979 | 423 |
| 1980 | 411 |
| 1981 | 361 |
| 1982 | 517 |
| 1983 | 718 |
| 1984 | 910 |
| 1985 | 831 |
| 1986 | 777 |
| 1987 | 1000 |
| 1988 | 940 |
| 1989 | 962 |
| 1990 | 924 |
| 1991 | 838 |
| 1992 | 949 |
| 1993 | 865 |
| 1994 | 686 |
| 1995 | 867 |
| 1996 | 800 |
| 1997 | 1030 |
| 1998 | 928 |
| 1999 | 887 |
| 2000 | 840 |
| 2001 | 835 |
| 2002 | 804 |
| 2003 | 875 |
| 2004 | 893 |
| 2005 | 976 |
| 2006 | 988 |
| 2007 | 922 |
| 2008 | 908 |
| 2009 | 760 |
| 2010 | 733 |
| 2011 | 823 |
| 2012 | 799 |
| 2013 | 881 |
| 2014 | 824 |
| 2015 | 886 |
| 2016 | 851 |
| 2017 | 899 |
| 2018 | 766 |
| 2019 | 827 |
| 2020 | 840 |
| 2021 | 763 |
| 2022 | 776 |
| 2023 | 140 |