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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1961 | 9 |
| 1962 | 8 |
| 1963 | 8 |
| 1964 | 13 |
| 1965 | 7 |
| 1966 | 9 |
| 1967 | 9 |
| 1968 | 12 |
| 1969 | 16 |
| 1970 | 10 |
| 1971 | 17 |
| 1972 | 16 |
| 1973 | 17 |
| 1974 | 32 |
| 1975 | 20 |
| 1976 | 27 |
| 1977 | 35 |
| 1978 | 47 |
| 1979 | 43 |
| 1980 | 49 |
| 1981 | 58 |
| 1982 | 72 |
| 1983 | 62 |
| 1984 | 70 |
| 1985 | 74 |
| 1986 | 75 |
| 1987 | 72 |
| 1988 | 80 |
| 1989 | 67 |
| 1990 | 84 |
| 1991 | 107 |
| 1992 | 101 |
| 1993 | 99 |
| 1994 | 110 |
| 1995 | 130 |
| 1996 | 123 |
| 1997 | 143 |
| 1998 | 131 |
| 1999 | 183 |
| 2000 | 159 |
| 2001 | 155 |
| 2002 | 146 |
| 2003 | 124 |
| 2004 | 164 |
| 2005 | 175 |
| 2006 | 172 |
| 2007 | 177 |
| 2008 | 159 |
| 2009 | 181 |
| 2010 | 153 |
| 2011 | 168 |
| 2012 | 203 |
| 2013 | 203 |
| 2014 | 232 |
| 2015 | 219 |
| 2016 | 245 |
| 2017 | 265 |
| 2018 | 280 |
| 2019 | 268 |
| 2020 | 326 |
| 2021 | 369 |
| 2022 | 400 |
| 2023 | 360 |
| 2024 | 145 |