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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1959 | 1 |
| 1965 | 1 |
| 1967 | 3 |
| 1968 | 3 |
| 1970 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1980 | 4 |
| 1981 | 3 |
| 1982 | 7 |
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 16 |
| 1989 | 24 |
| 1990 | 65 |
| 1991 | 54 |
| 1992 | 62 |
| 1993 | 73 |
| 1994 | 70 |
| 1995 | 84 |
| 1996 | 94 |
| 1997 | 88 |
| 1998 | 112 |
| 1999 | 112 |
| 2000 | 88 |
| 2001 | 109 |
| 2002 | 92 |
| 2003 | 144 |
| 2004 | 148 |
| 2005 | 194 |
| 2006 | 169 |
| 2007 | 224 |
| 2008 | 190 |
| 2009 | 185 |
| 2010 | 240 |
| 2011 | 226 |
| 2012 | 307 |
| 2013 | 335 |
| 2014 | 504 |
| 2015 | 627 |
| 2016 | 691 |
| 2017 | 734 |
| 2018 | 831 |
| 2019 | 917 |
| 2020 | 1174 |
| 2021 | 1312 |
| 2022 | 1165 |
| 2023 | 1132 |
| 2024 | 857 |
| 2025 | 1 |