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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1961 | 2 |
| 1962 | 2 |
| 1964 | 2 |
| 1965 | 3 |
| 1966 | 17 |
| 1967 | 18 |
| 1968 | 12 |
| 1969 | 26 |
| 1970 | 12 |
| 1971 | 17 |
| 1972 | 14 |
| 1973 | 18 |
| 1974 | 16 |
| 1975 | 20 |
| 1976 | 11 |
| 1977 | 29 |
| 1978 | 30 |
| 1979 | 20 |
| 1980 | 26 |
| 1981 | 15 |
| 1982 | 20 |
| 1983 | 26 |
| 1984 | 21 |
| 1985 | 28 |
| 1986 | 27 |
| 1987 | 41 |
| 1988 | 52 |
| 1989 | 49 |
| 1990 | 53 |
| 1991 | 66 |
| 1992 | 58 |
| 1993 | 57 |
| 1994 | 89 |
| 1995 | 83 |
| 1996 | 109 |
| 1997 | 103 |
| 1998 | 120 |
| 1999 | 131 |
| 2000 | 135 |
| 2001 | 151 |
| 2002 | 166 |
| 2003 | 180 |
| 2004 | 219 |
| 2005 | 254 |
| 2006 | 320 |
| 2007 | 314 |
| 2008 | 346 |
| 2009 | 417 |
| 2010 | 455 |
| 2011 | 487 |
| 2012 | 518 |
| 2013 | 546 |
| 2014 | 569 |
| 2015 | 585 |
| 2016 | 553 |
| 2017 | 489 |
| 2018 | 629 |
| 2019 | 634 |
| 2020 | 684 |
| 2021 | 583 |
| 2022 | 173 |
| 2023 | 138 |
| 2024 | 46 |