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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 1 |
| 1965 | 5 |
| 1966 | 12 |
| 1967 | 12 |
| 1968 | 28 |
| 1969 | 10 |
| 1970 | 21 |
| 1971 | 15 |
| 1972 | 18 |
| 1973 | 10 |
| 1974 | 15 |
| 1975 | 23 |
| 1976 | 23 |
| 1977 | 22 |
| 1978 | 23 |
| 1979 | 20 |
| 1980 | 17 |
| 1981 | 24 |
| 1982 | 26 |
| 1983 | 36 |
| 1984 | 49 |
| 1985 | 40 |
| 1986 | 42 |
| 1987 | 54 |
| 1988 | 52 |
| 1989 | 71 |
| 1990 | 64 |
| 1991 | 101 |
| 1992 | 81 |
| 1993 | 83 |
| 1994 | 89 |
| 1995 | 94 |
| 1996 | 81 |
| 1997 | 83 |
| 1998 | 78 |
| 1999 | 79 |
| 2000 | 100 |
| 2001 | 90 |
| 2002 | 89 |
| 2003 | 131 |
| 2004 | 105 |
| 2005 | 100 |
| 2006 | 123 |
| 2007 | 127 |
| 2008 | 134 |
| 2009 | 154 |
| 2010 | 164 |
| 2011 | 184 |
| 2012 | 204 |
| 2013 | 208 |
| 2014 | 176 |
| 2015 | 196 |
| 2016 | 212 |
| 2017 | 201 |
| 2018 | 205 |
| 2019 | 204 |
| 2020 | 243 |
| 2021 | 287 |
| 2022 | 301 |
| 2023 | 301 |
| 2024 | 84 |