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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 7 |
| 1955 | 2 |
| 1956 | 48 |
| 1957 | 59 |
| 1958 | 27 |
| 1959 | 53 |
| 1960 | 71 |
| 1961 | 63 |
| 1962 | 64 |
| 1964 | 4 |
| 1965 | 76 |
| 1966 | 149 |
| 1967 | 112 |
| 1968 | 117 |
| 1969 | 123 |
| 1970 | 119 |
| 1971 | 106 |
| 1972 | 103 |
| 1973 | 97 |
| 1974 | 107 |
| 1975 | 117 |
| 1976 | 113 |
| 1977 | 143 |
| 1978 | 137 |
| 1979 | 128 |
| 1980 | 137 |
| 1981 | 152 |
| 1982 | 193 |
| 1983 | 197 |
| 1984 | 236 |
| 1985 | 259 |
| 1986 | 299 |
| 1987 | 287 |
| 1988 | 284 |
| 1989 | 347 |
| 1990 | 332 |
| 1991 | 309 |
| 1992 | 310 |
| 1993 | 268 |
| 1994 | 365 |
| 1995 | 389 |
| 1996 | 367 |
| 1997 | 379 |
| 1998 | 402 |
| 1999 | 379 |
| 2000 | 384 |
| 2001 | 501 |
| 2002 | 504 |
| 2003 | 552 |
| 2004 | 589 |
| 2005 | 684 |
| 2006 | 754 |
| 2007 | 754 |
| 2008 | 845 |
| 2009 | 879 |
| 2010 | 1012 |
| 2011 | 1036 |
| 2012 | 1287 |
| 2013 | 1404 |
| 2014 | 1553 |
| 2015 | 1537 |
| 2016 | 1492 |
| 2017 | 1399 |
| 2018 | 1525 |
| 2019 | 1644 |
| 2020 | 1864 |
| 2021 | 2055 |
| 2022 | 2107 |
| 2023 | 1962 |
| 2024 | 933 |