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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 8 |
| 1971 | 8 |
| 1972 | 12 |
| 1973 | 16 |
| 1974 | 22 |
| 1975 | 14 |
| 1976 | 17 |
| 1977 | 15 |
| 1978 | 31 |
| 1979 | 34 |
| 1980 | 38 |
| 1981 | 31 |
| 1982 | 22 |
| 1983 | 27 |
| 1984 | 32 |
| 1985 | 36 |
| 1986 | 28 |
| 1987 | 41 |
| 1988 | 35 |
| 1989 | 43 |
| 1990 | 42 |
| 1991 | 59 |
| 1992 | 65 |
| 1993 | 61 |
| 1994 | 82 |
| 1995 | 87 |
| 1996 | 92 |
| 1997 | 101 |
| 1998 | 109 |
| 1999 | 114 |
| 2000 | 134 |
| 2001 | 175 |
| 2002 | 178 |
| 2003 | 201 |
| 2004 | 273 |
| 2005 | 280 |
| 2006 | 340 |
| 2007 | 374 |
| 2008 | 419 |
| 2009 | 461 |
| 2010 | 524 |
| 2011 | 621 |
| 2012 | 598 |
| 2013 | 677 |
| 2014 | 694 |
| 2015 | 839 |
| 2016 | 828 |
| 2017 | 855 |
| 2018 | 892 |
| 2019 | 1002 |
| 2020 | 1234 |
| 2021 | 1406 |
| 2022 | 1559 |
| 2023 | 1375 |
| 2024 | 638 |