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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1955 | 1 |
| 1961 | 5 |
| 1962 | 4 |
| 1963 | 6 |
| 1964 | 11 |
| 1965 | 6 |
| 1966 | 5 |
| 1967 | 7 |
| 1968 | 11 |
| 1969 | 13 |
| 1970 | 10 |
| 1971 | 7 |
| 1972 | 9 |
| 1973 | 5 |
| 1974 | 9 |
| 1975 | 8 |
| 1976 | 13 |
| 1977 | 16 |
| 1978 | 17 |
| 1979 | 19 |
| 1980 | 38 |
| 1981 | 20 |
| 1982 | 27 |
| 1983 | 27 |
| 1984 | 37 |
| 1985 | 41 |
| 1986 | 37 |
| 1987 | 41 |
| 1988 | 55 |
| 1989 | 72 |
| 1990 | 66 |
| 1991 | 73 |
| 1992 | 61 |
| 1993 | 94 |
| 1994 | 91 |
| 1995 | 104 |
| 1996 | 114 |
| 1997 | 153 |
| 1998 | 182 |
| 1999 | 218 |
| 2000 | 275 |
| 2001 | 302 |
| 2002 | 351 |
| 2003 | 407 |
| 2004 | 469 |
| 2005 | 644 |
| 2006 | 657 |
| 2007 | 868 |
| 2008 | 1074 |
| 2009 | 1257 |
| 2010 | 1476 |
| 2011 | 1731 |
| 2012 | 1840 |
| 2013 | 2054 |
| 2014 | 2333 |
| 2015 | 2455 |
| 2016 | 2435 |
| 2017 | 2543 |
| 2018 | 2620 |
| 2019 | 2643 |
| 2020 | 2994 |
| 2021 | 3099 |
| 2022 | 2975 |
| 2023 | 2865 |
| 2024 | 2886 |
| 2025 | 3065 |
| 2026 | 1089 |