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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 2 |
| 1950 | 3 |
| 1951 | 4 |
| 1952 | 4 |
| 1953 | 10 |
| 1954 | 12 |
| 1955 | 11 |
| 1956 | 7 |
| 1957 | 7 |
| 1958 | 6 |
| 1959 | 7 |
| 1960 | 5 |
| 1961 | 7 |
| 1962 | 6 |
| 1963 | 9 |
| 1964 | 9 |
| 1965 | 10 |
| 1966 | 9 |
| 1967 | 5 |
| 1968 | 9 |
| 1969 | 11 |
| 1970 | 8 |
| 1971 | 6 |
| 1972 | 5 |
| 1973 | 14 |
| 1974 | 14 |
| 1975 | 13 |
| 1976 | 16 |
| 1977 | 17 |
| 1978 | 24 |
| 1979 | 18 |
| 1980 | 29 |
| 1981 | 17 |
| 1982 | 9 |
| 1983 | 13 |
| 1984 | 20 |
| 1985 | 21 |
| 1986 | 12 |
| 1987 | 12 |
| 1988 | 12 |
| 1989 | 14 |
| 1990 | 20 |
| 1991 | 21 |
| 1992 | 21 |
| 1993 | 25 |
| 1994 | 37 |
| 1995 | 21 |
| 1996 | 28 |
| 1997 | 32 |
| 1998 | 50 |
| 1999 | 32 |
| 2000 | 42 |
| 2001 | 51 |
| 2002 | 45 |
| 2003 | 74 |
| 2004 | 83 |
| 2005 | 89 |
| 2006 | 123 |
| 2007 | 126 |
| 2008 | 140 |
| 2009 | 147 |
| 2010 | 184 |
| 2011 | 224 |
| 2012 | 238 |
| 2013 | 273 |
| 2014 | 273 |
| 2015 | 328 |
| 2016 | 332 |
| 2017 | 370 |
| 2018 | 392 |
| 2019 | 351 |
| 2020 | 383 |
| 2021 | 496 |
| 2022 | 380 |
| 2023 | 393 |
| 2024 | 405 |
| 2025 | 12 |