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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 17 |
| 1964 | 15 |
| 1965 | 13 |
| 1966 | 13 |
| 1967 | 19 |
| 1968 | 20 |
| 1969 | 15 |
| 1970 | 21 |
| 1971 | 13 |
| 1972 | 12 |
| 1973 | 14 |
| 1974 | 21 |
| 1975 | 14 |
| 1976 | 17 |
| 1977 | 31 |
| 1978 | 22 |
| 1979 | 25 |
| 1980 | 52 |
| 1981 | 69 |
| 1982 | 52 |
| 1983 | 44 |
| 1984 | 59 |
| 1985 | 73 |
| 1986 | 70 |
| 1987 | 70 |
| 1988 | 92 |
| 1989 | 74 |
| 1990 | 69 |
| 1991 | 81 |
| 1992 | 64 |
| 1993 | 81 |
| 1994 | 79 |
| 1995 | 77 |
| 1996 | 100 |
| 1997 | 89 |
| 1998 | 78 |
| 1999 | 88 |
| 2000 | 86 |
| 2001 | 73 |
| 2002 | 109 |
| 2003 | 105 |
| 2004 | 106 |
| 2005 | 106 |
| 2006 | 107 |
| 2007 | 103 |
| 2008 | 148 |
| 2009 | 155 |
| 2010 | 153 |
| 2011 | 177 |
| 2012 | 151 |
| 2013 | 147 |
| 2014 | 160 |
| 2015 | 167 |
| 2016 | 142 |
| 2017 | 176 |
| 2018 | 158 |
| 2019 | 187 |
| 2020 | 230 |
| 2021 | 220 |
| 2022 | 235 |
| 2023 | 237 |
| 2024 | 233 |
| 2025 | 214 |
| 2026 | 2 |