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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1950 | 4 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 5 |
| 1956 | 1 |
| 1957 | 2 |
| 1959 | 1 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 5 |
| 1967 | 4 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 5 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 5 |
| 1976 | 7 |
| 1977 | 5 |
| 1978 | 4 |
| 1979 | 11 |
| 1980 | 19 |
| 1981 | 10 |
| 1982 | 14 |
| 1983 | 26 |
| 1984 | 24 |
| 1985 | 31 |
| 1986 | 21 |
| 1987 | 26 |
| 1988 | 25 |
| 1989 | 57 |
| 1990 | 55 |
| 1991 | 54 |
| 1992 | 77 |
| 1993 | 65 |
| 1994 | 67 |
| 1995 | 76 |
| 1996 | 102 |
| 1997 | 102 |
| 1998 | 115 |
| 1999 | 105 |
| 2000 | 107 |
| 2001 | 121 |
| 2002 | 124 |
| 2003 | 154 |
| 2004 | 152 |
| 2005 | 163 |
| 2006 | 173 |
| 2007 | 227 |
| 2008 | 211 |
| 2009 | 213 |
| 2010 | 236 |
| 2011 | 227 |
| 2012 | 243 |
| 2013 | 282 |
| 2014 | 302 |
| 2015 | 342 |
| 2016 | 396 |
| 2017 | 420 |
| 2018 | 418 |
| 2019 | 383 |
| 2020 | 419 |
| 2021 | 489 |
| 2022 | 407 |
| 2023 | 405 |
| 2024 | 157 |