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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 2 |
| 1955 | 3 |
| 1956 | 5 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 4 |
| 1961 | 4 |
| 1962 | 4 |
| 1965 | 5 |
| 1966 | 8 |
| 1967 | 22 |
| 1968 | 22 |
| 1969 | 30 |
| 1970 | 40 |
| 1971 | 41 |
| 1972 | 35 |
| 1973 | 59 |
| 1974 | 34 |
| 1975 | 26 |
| 1976 | 30 |
| 1977 | 27 |
| 1978 | 28 |
| 1979 | 46 |
| 1980 | 48 |
| 1981 | 39 |
| 1982 | 53 |
| 1983 | 46 |
| 1984 | 50 |
| 1985 | 48 |
| 1986 | 60 |
| 1987 | 59 |
| 1988 | 54 |
| 1989 | 67 |
| 1990 | 80 |
| 1991 | 87 |
| 1992 | 68 |
| 1993 | 79 |
| 1994 | 81 |
| 1995 | 106 |
| 1996 | 99 |
| 1997 | 77 |
| 1998 | 102 |
| 1999 | 94 |
| 2000 | 100 |
| 2001 | 109 |
| 2002 | 97 |
| 2003 | 151 |
| 2004 | 128 |
| 2005 | 122 |
| 2006 | 170 |
| 2007 | 182 |
| 2008 | 194 |
| 2009 | 202 |
| 2010 | 224 |
| 2011 | 227 |
| 2012 | 195 |
| 2013 | 213 |
| 2014 | 230 |
| 2015 | 236 |
| 2016 | 221 |
| 2017 | 240 |
| 2018 | 220 |
| 2019 | 241 |
| 2020 | 350 |
| 2021 | 374 |
| 2022 | 324 |
| 2023 | 322 |
| 2024 | 305 |
| 2025 | 364 |
| 2026 | 182 |