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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 |
| 1954 | 1 |
| 1958 | 1 |
| 1961 | 1 |
| 1962 | 8 |
| 1963 | 5 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 2 |
| 1968 | 7 |
| 1969 | 5 |
| 1970 | 4 |
| 1971 | 11 |
| 1972 | 11 |
| 1973 | 9 |
| 1974 | 9 |
| 1975 | 10 |
| 1976 | 15 |
| 1977 | 26 |
| 1978 | 17 |
| 1979 | 13 |
| 1980 | 23 |
| 1981 | 28 |
| 1982 | 34 |
| 1983 | 35 |
| 1984 | 42 |
| 1985 | 47 |
| 1986 | 63 |
| 1987 | 63 |
| 1988 | 57 |
| 1989 | 91 |
| 1990 | 105 |
| 1991 | 117 |
| 1992 | 131 |
| 1993 | 153 |
| 1994 | 189 |
| 1995 | 216 |
| 1996 | 271 |
| 1997 | 257 |
| 1998 | 262 |
| 1999 | 277 |
| 2000 | 316 |
| 2001 | 355 |
| 2002 | 506 |
| 2003 | 630 |
| 2004 | 736 |
| 2005 | 892 |
| 2006 | 1055 |
| 2007 | 1180 |
| 2008 | 1478 |
| 2009 | 1821 |
| 2010 | 2148 |
| 2011 | 2486 |
| 2012 | 2892 |
| 2013 | 3386 |
| 2014 | 3891 |
| 2015 | 4210 |
| 2016 | 4477 |
| 2017 | 4956 |
| 2018 | 5584 |
| 2019 | 6254 |
| 2020 | 7471 |
| 2021 | 8346 |
| 2022 | 9796 |
| 2023 | 4554 |