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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 5 |
| 1957 | 4 |
| 1958 | 7 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 12 |
| 1962 | 16 |
| 1963 | 27 |
| 1964 | 40 |
| 1965 | 25 |
| 1966 | 45 |
| 1967 | 36 |
| 1968 | 42 |
| 1969 | 41 |
| 1970 | 46 |
| 1971 | 52 |
| 1972 | 50 |
| 1973 | 38 |
| 1974 | 55 |
| 1975 | 44 |
| 1976 | 40 |
| 1977 | 77 |
| 1978 | 47 |
| 1979 | 49 |
| 1980 | 55 |
| 1981 | 74 |
| 1982 | 79 |
| 1983 | 68 |
| 1984 | 102 |
| 1985 | 105 |
| 1986 | 112 |
| 1987 | 128 |
| 1988 | 155 |
| 1989 | 125 |
| 1990 | 126 |
| 1991 | 119 |
| 1992 | 127 |
| 1993 | 156 |
| 1994 | 161 |
| 1995 | 148 |
| 1996 | 157 |
| 1997 | 170 |
| 1998 | 192 |
| 1999 | 192 |
| 2000 | 227 |
| 2001 | 211 |
| 2002 | 220 |
| 2003 | 248 |
| 2004 | 265 |
| 2005 | 276 |
| 2006 | 308 |
| 2007 | 286 |
| 2008 | 312 |
| 2009 | 323 |
| 2010 | 339 |
| 2011 | 397 |
| 2012 | 408 |
| 2013 | 416 |
| 2014 | 410 |
| 2015 | 386 |
| 2016 | 434 |
| 2017 | 423 |
| 2018 | 496 |
| 2019 | 462 |
| 2020 | 570 |
| 2021 | 599 |
| 2022 | 561 |
| 2023 | 558 |
| 2024 | 545 |
| 2025 | 4 |