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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 6 |
| 1952 | 10 |
| 1953 | 12 |
| 1954 | 16 |
| 1955 | 15 |
| 1956 | 27 |
| 1957 | 64 |
| 1958 | 75 |
| 1959 | 59 |
| 1960 | 38 |
| 1961 | 51 |
| 1962 | 34 |
| 1963 | 1 |
| 1964 | 18 |
| 1965 | 121 |
| 1966 | 338 |
| 1967 | 410 |
| 1968 | 494 |
| 1969 | 559 |
| 1970 | 609 |
| 1971 | 690 |
| 1972 | 761 |
| 1973 | 887 |
| 1974 | 856 |
| 1975 | 808 |
| 1976 | 809 |
| 1977 | 879 |
| 1978 | 880 |
| 1979 | 928 |
| 1980 | 996 |
| 1981 | 966 |
| 1982 | 1099 |
| 1983 | 1124 |
| 1984 | 1211 |
| 1985 | 1166 |
| 1986 | 1161 |
| 1987 | 1145 |
| 1988 | 1155 |
| 1989 | 1198 |
| 1990 | 1175 |
| 1991 | 1188 |
| 1992 | 1033 |
| 1993 | 1036 |
| 1994 | 946 |
| 1995 | 891 |
| 1996 | 810 |
| 1997 | 790 |
| 1998 | 779 |
| 1999 | 777 |
| 2000 | 838 |
| 2001 | 741 |
| 2002 | 707 |
| 2003 | 681 |
| 2004 | 599 |
| 2005 | 618 |
| 2006 | 576 |
| 2007 | 597 |
| 2008 | 671 |
| 2009 | 578 |
| 2010 | 549 |
| 2011 | 513 |
| 2012 | 498 |
| 2013 | 471 |
| 2014 | 463 |
| 2015 | 463 |
| 2016 | 410 |
| 2017 | 338 |
| 2018 | 340 |
| 2019 | 347 |
| 2020 | 268 |
| 2021 | 189 |
| 2022 | 125 |
| 2023 | 101 |
| 2024 | 31 |