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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1950 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 2 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 23 |
| 1965 | 22 |
| 1966 | 11 |
| 1967 | 19 |
| 1968 | 26 |
| 1969 | 28 |
| 1970 | 22 |
| 1971 | 30 |
| 1972 | 33 |
| 1973 | 37 |
| 1974 | 34 |
| 1975 | 43 |
| 1976 | 24 |
| 1977 | 47 |
| 1978 | 48 |
| 1979 | 50 |
| 1980 | 44 |
| 1981 | 44 |
| 1982 | 57 |
| 1983 | 57 |
| 1984 | 58 |
| 1985 | 49 |
| 1986 | 55 |
| 1987 | 59 |
| 1988 | 39 |
| 1989 | 68 |
| 1990 | 50 |
| 1991 | 51 |
| 1992 | 53 |
| 1993 | 47 |
| 1994 | 51 |
| 1995 | 50 |
| 1996 | 62 |
| 1997 | 68 |
| 1998 | 71 |
| 1999 | 74 |
| 2000 | 82 |
| 2001 | 98 |
| 2002 | 89 |
| 2003 | 90 |
| 2004 | 89 |
| 2005 | 118 |
| 2006 | 104 |
| 2007 | 95 |
| 2008 | 117 |
| 2009 | 143 |
| 2010 | 146 |
| 2011 | 157 |
| 2012 | 169 |
| 2013 | 188 |
| 2014 | 189 |
| 2015 | 224 |
| 2016 | 201 |
| 2017 | 220 |
| 2018 | 231 |
| 2019 | 248 |
| 2020 | 327 |
| 2021 | 306 |
| 2022 | 287 |
| 2023 | 235 |
| 2024 | 110 |