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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 2 |
| 1951 | 2 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 3 |
| 1964 | 3 |
| 1965 | 6 |
| 1966 | 11 |
| 1967 | 15 |
| 1968 | 12 |
| 1969 | 16 |
| 1970 | 16 |
| 1971 | 20 |
| 1972 | 29 |
| 1973 | 27 |
| 1974 | 27 |
| 1975 | 27 |
| 1976 | 32 |
| 1977 | 33 |
| 1978 | 23 |
| 1979 | 38 |
| 1980 | 31 |
| 1981 | 35 |
| 1982 | 29 |
| 1983 | 52 |
| 1984 | 32 |
| 1985 | 33 |
| 1986 | 39 |
| 1987 | 53 |
| 1988 | 42 |
| 1989 | 57 |
| 1990 | 50 |
| 1991 | 73 |
| 1992 | 70 |
| 1993 | 65 |
| 1994 | 56 |
| 1995 | 55 |
| 1996 | 70 |
| 1997 | 75 |
| 1998 | 53 |
| 1999 | 68 |
| 2000 | 75 |
| 2001 | 100 |
| 2002 | 94 |
| 2003 | 102 |
| 2004 | 149 |
| 2005 | 174 |
| 2006 | 214 |
| 2007 | 293 |
| 2008 | 415 |
| 2009 | 455 |
| 2010 | 569 |
| 2011 | 792 |
| 2012 | 954 |
| 2013 | 1116 |
| 2014 | 1166 |
| 2015 | 1314 |
| 2016 | 1349 |
| 2017 | 1366 |
| 2018 | 1361 |
| 2019 | 1445 |
| 2020 | 2009 |
| 2021 | 2485 |
| 2022 | 3052 |
| 2023 | 3010 |
| 2024 | 3917 |
| 2025 | 4234 |
| 2026 | 1203 |