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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1957 | 1 |
| 1962 | 2 |
| 1963 | 4 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 9 |
| 1968 | 4 |
| 1969 | 9 |
| 1970 | 5 |
| 1971 | 1 |
| 1972 | 4 |
| 1973 | 11 |
| 1974 | 3 |
| 1975 | 5 |
| 1976 | 7 |
| 1977 | 10 |
| 1978 | 10 |
| 1979 | 5 |
| 1980 | 12 |
| 1981 | 9 |
| 1982 | 8 |
| 1983 | 14 |
| 1984 | 57 |
| 1985 | 24 |
| 1986 | 27 |
| 1987 | 75 |
| 1988 | 197 |
| 1989 | 180 |
| 1990 | 205 |
| 1991 | 239 |
| 1992 | 229 |
| 1993 | 254 |
| 1994 | 255 |
| 1995 | 259 |
| 1996 | 232 |
| 1997 | 229 |
| 1998 | 239 |
| 1999 | 276 |
| 2000 | 294 |
| 2001 | 298 |
| 2002 | 359 |
| 2003 | 411 |
| 2004 | 432 |
| 2005 | 410 |
| 2006 | 467 |
| 2007 | 497 |
| 2008 | 501 |
| 2009 | 517 |
| 2010 | 578 |
| 2011 | 686 |
| 2012 | 684 |
| 2013 | 747 |
| 2014 | 982 |
| 2015 | 1222 |
| 2016 | 1281 |
| 2017 | 1367 |
| 2018 | 1505 |
| 2019 | 1571 |
| 2020 | 1667 |
| 2021 | 1753 |
| 2022 | 1679 |
| 2023 | 1779 |
| 2024 | 1778 |
| 2025 | 1888 |
| 2026 | 1059 |
| 2027 | 1 |