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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1954 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1960 | 5 |
| 1961 | 3 |
| 1962 | 7 |
| 1963 | 10 |
| 1964 | 5 |
| 1965 | 16 |
| 1966 | 17 |
| 1967 | 18 |
| 1968 | 25 |
| 1969 | 14 |
| 1970 | 21 |
| 1971 | 25 |
| 1972 | 14 |
| 1973 | 18 |
| 1974 | 31 |
| 1975 | 28 |
| 1976 | 37 |
| 1977 | 51 |
| 1978 | 61 |
| 1979 | 44 |
| 1980 | 54 |
| 1981 | 55 |
| 1982 | 67 |
| 1983 | 85 |
| 1984 | 82 |
| 1985 | 97 |
| 1986 | 111 |
| 1987 | 99 |
| 1988 | 104 |
| 1989 | 120 |
| 1990 | 135 |
| 1991 | 141 |
| 1992 | 119 |
| 1993 | 113 |
| 1994 | 139 |
| 1995 | 133 |
| 1996 | 164 |
| 1997 | 152 |
| 1998 | 164 |
| 1999 | 158 |
| 2000 | 181 |
| 2001 | 178 |
| 2002 | 178 |
| 2003 | 216 |
| 2004 | 182 |
| 2005 | 218 |
| 2006 | 220 |
| 2007 | 264 |
| 2008 | 290 |
| 2009 | 288 |
| 2010 | 313 |
| 2011 | 370 |
| 2012 | 474 |
| 2013 | 532 |
| 2014 | 494 |
| 2015 | 519 |
| 2016 | 511 |
| 2017 | 516 |
| 2018 | 483 |
| 2019 | 468 |
| 2020 | 550 |
| 2021 | 611 |
| 2022 | 551 |
| 2023 | 523 |
| 2024 | 296 |