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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 6 |
| 1956 | 7 |
| 1957 | 7 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 1 |
| 1961 | 12 |
| 1962 | 28 |
| 1963 | 40 |
| 1964 | 49 |
| 1965 | 61 |
| 1966 | 57 |
| 1967 | 54 |
| 1968 | 69 |
| 1969 | 73 |
| 1970 | 64 |
| 1971 | 85 |
| 1972 | 66 |
| 1973 | 60 |
| 1974 | 78 |
| 1975 | 77 |
| 1976 | 61 |
| 1977 | 94 |
| 1978 | 87 |
| 1979 | 104 |
| 1980 | 86 |
| 1981 | 106 |
| 1982 | 141 |
| 1983 | 147 |
| 1984 | 146 |
| 1985 | 178 |
| 1986 | 197 |
| 1987 | 166 |
| 1988 | 213 |
| 1989 | 254 |
| 1990 | 234 |
| 1991 | 239 |
| 1992 | 264 |
| 1993 | 268 |
| 1994 | 297 |
| 1995 | 300 |
| 1996 | 313 |
| 1997 | 326 |
| 1998 | 344 |
| 1999 | 378 |
| 2000 | 405 |
| 2001 | 424 |
| 2002 | 469 |
| 2003 | 448 |
| 2004 | 457 |
| 2005 | 468 |
| 2006 | 530 |
| 2007 | 479 |
| 2008 | 541 |
| 2009 | 549 |
| 2010 | 560 |
| 2011 | 623 |
| 2012 | 674 |
| 2013 | 721 |
| 2014 | 736 |
| 2015 | 827 |
| 2016 | 858 |
| 2017 | 818 |
| 2018 | 805 |
| 2019 | 832 |
| 2020 | 915 |
| 2021 | 1057 |
| 2022 | 1003 |
| 2023 | 854 |
| 2024 | 309 |