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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1952 | 4 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 6 |
| 1959 | 10 |
| 1960 | 3 |
| 1961 | 14 |
| 1962 | 17 |
| 1963 | 12 |
| 1964 | 19 |
| 1965 | 16 |
| 1966 | 22 |
| 1967 | 22 |
| 1968 | 25 |
| 1969 | 41 |
| 1970 | 38 |
| 1971 | 38 |
| 1972 | 27 |
| 1973 | 47 |
| 1974 | 52 |
| 1975 | 54 |
| 1976 | 51 |
| 1977 | 60 |
| 1978 | 78 |
| 1979 | 73 |
| 1980 | 89 |
| 1981 | 105 |
| 1982 | 140 |
| 1983 | 155 |
| 1984 | 155 |
| 1985 | 141 |
| 1986 | 132 |
| 1987 | 173 |
| 1988 | 159 |
| 1989 | 205 |
| 1990 | 188 |
| 1991 | 175 |
| 1992 | 182 |
| 1993 | 205 |
| 1994 | 208 |
| 1995 | 222 |
| 1996 | 241 |
| 1997 | 218 |
| 1998 | 209 |
| 1999 | 221 |
| 2000 | 283 |
| 2001 | 279 |
| 2002 | 294 |
| 2003 | 275 |
| 2004 | 284 |
| 2005 | 313 |
| 2006 | 328 |
| 2007 | 321 |
| 2008 | 358 |
| 2009 | 366 |
| 2010 | 340 |
| 2011 | 449 |
| 2012 | 501 |
| 2013 | 527 |
| 2014 | 512 |
| 2015 | 518 |
| 2016 | 564 |
| 2017 | 585 |
| 2018 | 686 |
| 2019 | 720 |
| 2020 | 875 |
| 2021 | 984 |
| 2022 | 887 |
| 2023 | 882 |
| 2024 | 420 |