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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1967 | 2 |
| 1968 | 6 |
| 1969 | 3 |
| 1970 | 4 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 6 |
| 1974 | 10 |
| 1975 | 3 |
| 1976 | 6 |
| 1977 | 14 |
| 1978 | 8 |
| 1979 | 83 |
| 1980 | 137 |
| 1981 | 135 |
| 1982 | 136 |
| 1983 | 221 |
| 1984 | 285 |
| 1985 | 240 |
| 1986 | 271 |
| 1987 | 182 |
| 1988 | 163 |
| 1989 | 173 |
| 1990 | 219 |
| 1991 | 229 |
| 1992 | 241 |
| 1993 | 254 |
| 1994 | 296 |
| 1995 | 249 |
| 1996 | 229 |
| 1997 | 244 |
| 1998 | 372 |
| 1999 | 465 |
| 2000 | 479 |
| 2001 | 542 |
| 2002 | 592 |
| 2003 | 1030 |
| 2004 | 1068 |
| 2005 | 1267 |
| 2006 | 1424 |
| 2007 | 1576 |
| 2008 | 1835 |
| 2009 | 2112 |
| 2010 | 2503 |
| 2011 | 2851 |
| 2012 | 3387 |
| 2013 | 3805 |
| 2014 | 4752 |
| 2015 | 5459 |
| 2016 | 5527 |
| 2017 | 5857 |
| 2018 | 6634 |
| 2019 | 7781 |
| 2020 | 9008 |
| 2021 | 10349 |
| 2022 | 11773 |
| 2023 | 11704 |
| 2024 | 13364 |
| 2025 | 3644 |