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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 1 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 2 |
| 1964 | 2 |
| 1965 | 28 |
| 1966 | 69 |
| 1967 | 68 |
| 1968 | 84 |
| 1969 | 76 |
| 1970 | 75 |
| 1971 | 80 |
| 1972 | 104 |
| 1973 | 76 |
| 1974 | 103 |
| 1975 | 105 |
| 1976 | 88 |
| 1977 | 111 |
| 1978 | 112 |
| 1979 | 147 |
| 1980 | 152 |
| 1981 | 132 |
| 1982 | 135 |
| 1983 | 127 |
| 1984 | 117 |
| 1985 | 133 |
| 1986 | 135 |
| 1987 | 108 |
| 1988 | 124 |
| 1989 | 180 |
| 1990 | 155 |
| 1991 | 127 |
| 1992 | 136 |
| 1993 | 148 |
| 1994 | 182 |
| 1995 | 179 |
| 1996 | 205 |
| 1997 | 190 |
| 1998 | 264 |
| 1999 | 237 |
| 2000 | 237 |
| 2001 | 235 |
| 2002 | 260 |
| 2003 | 264 |
| 2004 | 293 |
| 2005 | 316 |
| 2006 | 343 |
| 2007 | 365 |
| 2008 | 414 |
| 2009 | 460 |
| 2010 | 501 |
| 2011 | 468 |
| 2012 | 531 |
| 2013 | 589 |
| 2014 | 555 |
| 2015 | 618 |
| 2016 | 590 |
| 2017 | 568 |
| 2018 | 632 |
| 2019 | 683 |
| 2020 | 916 |
| 2021 | 1028 |
| 2022 | 1083 |
| 2023 | 937 |
| 2024 | 325 |