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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1956 | 1 |
| 1958 | 5 |
| 1959 | 2 |
| 1960 | 2 |
| 1962 | 2 |
| 1963 | 6 |
| 1964 | 3 |
| 1965 | 4 |
| 1966 | 4 |
| 1967 | 7 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 5 |
| 1971 | 10 |
| 1972 | 8 |
| 1973 | 7 |
| 1974 | 8 |
| 1975 | 7 |
| 1976 | 10 |
| 1977 | 13 |
| 1978 | 7 |
| 1979 | 16 |
| 1980 | 8 |
| 1981 | 15 |
| 1982 | 11 |
| 1983 | 22 |
| 1984 | 22 |
| 1985 | 23 |
| 1986 | 32 |
| 1987 | 40 |
| 1988 | 39 |
| 1989 | 42 |
| 1990 | 44 |
| 1991 | 41 |
| 1992 | 51 |
| 1993 | 54 |
| 1994 | 74 |
| 1995 | 90 |
| 1996 | 74 |
| 1997 | 89 |
| 1998 | 93 |
| 1999 | 104 |
| 2000 | 130 |
| 2001 | 132 |
| 2002 | 163 |
| 2003 | 229 |
| 2004 | 245 |
| 2005 | 319 |
| 2006 | 361 |
| 2007 | 414 |
| 2008 | 513 |
| 2009 | 500 |
| 2010 | 634 |
| 2011 | 740 |
| 2012 | 916 |
| 2013 | 1023 |
| 2014 | 1141 |
| 2015 | 1281 |
| 2016 | 1340 |
| 2017 | 1368 |
| 2018 | 1616 |
| 2019 | 1729 |
| 2020 | 2116 |
| 2021 | 2263 |
| 2022 | 2752 |
| 2023 | 2597 |
| 2024 | 2599 |
| 2025 | 22 |