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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1957 | 2 |
| 1958 | 3 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 6 |
| 1963 | 7 |
| 1964 | 1 |
| 1965 | 7 |
| 1966 | 3 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 8 |
| 1972 | 4 |
| 1973 | 6 |
| 1974 | 5 |
| 1975 | 9 |
| 1976 | 8 |
| 1977 | 11 |
| 1978 | 12 |
| 1979 | 12 |
| 1980 | 18 |
| 1981 | 21 |
| 1982 | 18 |
| 1983 | 22 |
| 1984 | 40 |
| 1985 | 34 |
| 1986 | 32 |
| 1987 | 49 |
| 1988 | 46 |
| 1989 | 56 |
| 1990 | 56 |
| 1991 | 66 |
| 1992 | 89 |
| 1993 | 95 |
| 1994 | 88 |
| 1995 | 98 |
| 1996 | 124 |
| 1997 | 124 |
| 1998 | 129 |
| 1999 | 148 |
| 2000 | 204 |
| 2001 | 235 |
| 2002 | 309 |
| 2003 | 361 |
| 2004 | 454 |
| 2005 | 501 |
| 2006 | 598 |
| 2007 | 678 |
| 2008 | 768 |
| 2009 | 836 |
| 2010 | 1034 |
| 2011 | 1224 |
| 2012 | 1398 |
| 2013 | 1592 |
| 2014 | 1834 |
| 2015 | 1874 |
| 2016 | 2002 |
| 2017 | 2177 |
| 2018 | 2406 |
| 2019 | 2873 |
| 2020 | 3353 |
| 2021 | 3989 |
| 2022 | 4598 |
| 2023 | 4398 |
| 2024 | 3470 |
| 2025 | 4 |