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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 6 |
| 1964 | 3 |
| 1965 | 5 |
| 1966 | 3 |
| 1967 | 7 |
| 1968 | 11 |
| 1969 | 9 |
| 1970 | 10 |
| 1971 | 7 |
| 1972 | 12 |
| 1973 | 10 |
| 1974 | 28 |
| 1975 | 32 |
| 1976 | 27 |
| 1977 | 41 |
| 1978 | 80 |
| 1979 | 73 |
| 1980 | 1233 |
| 1981 | 2799 |
| 1982 | 2699 |
| 1983 | 2751 |
| 1984 | 2972 |
| 1985 | 2999 |
| 1986 | 3190 |
| 1987 | 3113 |
| 1988 | 3135 |
| 1989 | 3171 |
| 1990 | 3170 |
| 1991 | 3212 |
| 1992 | 3175 |
| 1993 | 3255 |
| 1994 | 3002 |
| 1995 | 3137 |
| 1996 | 3041 |
| 1997 | 3125 |
| 1998 | 3130 |
| 1999 | 3076 |
| 2000 | 3201 |
| 2001 | 3270 |
| 2002 | 3466 |
| 2003 | 3683 |
| 2004 | 4130 |
| 2005 | 4598 |
| 2006 | 5122 |
| 2007 | 5718 |
| 2008 | 6587 |
| 2009 | 7321 |
| 2010 | 8309 |
| 2011 | 9329 |
| 2012 | 10028 |
| 2013 | 10692 |
| 2014 | 11474 |
| 2015 | 11747 |
| 2016 | 11690 |
| 2017 | 11365 |
| 2018 | 11544 |
| 2019 | 10997 |
| 2020 | 11521 |
| 2021 | 12265 |
| 2022 | 11421 |
| 2023 | 10515 |
| 2024 | 6249 |
| 2025 | 10 |