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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 8 |
| 1963 | 7 |
| 1964 | 9 |
| 1965 | 7 |
| 1966 | 17 |
| 1967 | 13 |
| 1968 | 12 |
| 1969 | 25 |
| 1970 | 21 |
| 1971 | 19 |
| 1972 | 15 |
| 1973 | 13 |
| 1974 | 13 |
| 1975 | 20 |
| 1976 | 33 |
| 1977 | 26 |
| 1978 | 39 |
| 1979 | 34 |
| 1980 | 29 |
| 1981 | 50 |
| 1982 | 39 |
| 1983 | 49 |
| 1984 | 48 |
| 1985 | 68 |
| 1986 | 63 |
| 1987 | 63 |
| 1988 | 67 |
| 1989 | 77 |
| 1990 | 77 |
| 1991 | 73 |
| 1992 | 69 |
| 1993 | 78 |
| 1994 | 73 |
| 1995 | 88 |
| 1996 | 93 |
| 1997 | 99 |
| 1998 | 95 |
| 1999 | 99 |
| 2000 | 134 |
| 2001 | 126 |
| 2002 | 141 |
| 2003 | 139 |
| 2004 | 130 |
| 2005 | 122 |
| 2006 | 143 |
| 2007 | 141 |
| 2008 | 136 |
| 2009 | 184 |
| 2010 | 198 |
| 2011 | 182 |
| 2012 | 218 |
| 2013 | 200 |
| 2014 | 194 |
| 2015 | 237 |
| 2016 | 268 |
| 2017 | 273 |
| 2018 | 315 |
| 2019 | 294 |
| 2020 | 355 |
| 2021 | 388 |
| 2022 | 400 |
| 2023 | 423 |
| 2024 | 392 |