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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1956 | 3 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 9 |
| 1980 | 6 |
| 1981 | 16 |
| 1982 | 13 |
| 1983 | 13 |
| 1984 | 17 |
| 1985 | 11 |
| 1986 | 12 |
| 1987 | 18 |
| 1988 | 18 |
| 1989 | 29 |
| 1990 | 18 |
| 1991 | 30 |
| 1992 | 20 |
| 1993 | 31 |
| 1994 | 26 |
| 1995 | 37 |
| 1996 | 36 |
| 1997 | 55 |
| 1998 | 84 |
| 1999 | 80 |
| 2000 | 82 |
| 2001 | 105 |
| 2002 | 142 |
| 2003 | 203 |
| 2004 | 255 |
| 2005 | 319 |
| 2006 | 340 |
| 2007 | 366 |
| 2008 | 416 |
| 2009 | 493 |
| 2010 | 561 |
| 2011 | 657 |
| 2012 | 772 |
| 2013 | 907 |
| 2014 | 1028 |
| 2015 | 1176 |
| 2016 | 1206 |
| 2017 | 1294 |
| 2018 | 1466 |
| 2019 | 1764 |
| 2020 | 2022 |
| 2021 | 2366 |
| 2022 | 2770 |
| 2023 | 2712 |
| 2024 | 1222 |