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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 2 |
| 1954 | 3 |
| 1955 | 4 |
| 1956 | 1 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 2 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 6 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1976 | 3 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 4 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 6 |
| 1988 | 7 |
| 1989 | 16 |
| 1990 | 28 |
| 1991 | 25 |
| 1992 | 26 |
| 1993 | 16 |
| 1994 | 22 |
| 1995 | 34 |
| 1996 | 39 |
| 1997 | 46 |
| 1998 | 70 |
| 1999 | 100 |
| 2000 | 94 |
| 2001 | 101 |
| 2002 | 143 |
| 2003 | 146 |
| 2004 | 181 |
| 2005 | 226 |
| 2006 | 237 |
| 2007 | 316 |
| 2008 | 376 |
| 2009 | 385 |
| 2010 | 475 |
| 2011 | 553 |
| 2012 | 648 |
| 2013 | 661 |
| 2014 | 964 |
| 2015 | 1134 |
| 2016 | 1377 |
| 2017 | 1500 |
| 2018 | 1658 |
| 2019 | 1710 |
| 2020 | 2033 |
| 2021 | 2172 |
| 2022 | 1963 |
| 2023 | 1818 |
| 2024 | 630 |