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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 9 |
| 1964 | 12 |
| 1965 | 5 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 8 |
| 1971 | 148 |
| 1972 | 279 |
| 1973 | 104 |
| 1974 | 102 |
| 1975 | 69 |
| 1976 | 60 |
| 1977 | 68 |
| 1978 | 55 |
| 1979 | 61 |
| 1980 | 43 |
| 1981 | 57 |
| 1982 | 48 |
| 1983 | 56 |
| 1984 | 47 |
| 1985 | 66 |
| 1986 | 57 |
| 1987 | 49 |
| 1988 | 66 |
| 1989 | 76 |
| 1990 | 66 |
| 1991 | 74 |
| 1992 | 76 |
| 1993 | 73 |
| 1994 | 78 |
| 1995 | 64 |
| 1996 | 76 |
| 1997 | 85 |
| 1998 | 84 |
| 1999 | 105 |
| 2000 | 104 |
| 2001 | 109 |
| 2002 | 132 |
| 2003 | 170 |
| 2004 | 197 |
| 2005 | 274 |
| 2006 | 253 |
| 2007 | 289 |
| 2008 | 356 |
| 2009 | 442 |
| 2010 | 445 |
| 2011 | 441 |
| 2012 | 452 |
| 2013 | 448 |
| 2014 | 434 |
| 2015 | 420 |
| 2016 | 401 |
| 2017 | 453 |
| 2018 | 526 |
| 2019 | 586 |
| 2020 | 670 |
| 2021 | 608 |
| 2022 | 526 |
| 2023 | 294 |
| 2024 | 193 |