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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 1 |
| 1951 | 6 |
| 1952 | 11 |
| 1953 | 4 |
| 1954 | 7 |
| 1955 | 15 |
| 1956 | 11 |
| 1957 | 12 |
| 1958 | 16 |
| 1959 | 11 |
| 1960 | 19 |
| 1961 | 21 |
| 1962 | 9 |
| 1965 | 27 |
| 1966 | 45 |
| 1967 | 54 |
| 1968 | 70 |
| 1969 | 90 |
| 1970 | 121 |
| 1971 | 131 |
| 1972 | 99 |
| 1973 | 126 |
| 1974 | 165 |
| 1975 | 145 |
| 1976 | 193 |
| 1977 | 160 |
| 1978 | 153 |
| 1979 | 156 |
| 1980 | 174 |
| 1981 | 159 |
| 1982 | 159 |
| 1983 | 166 |
| 1984 | 178 |
| 1985 | 170 |
| 1986 | 172 |
| 1987 | 162 |
| 1988 | 141 |
| 1989 | 158 |
| 1990 | 148 |
| 1991 | 131 |
| 1992 | 128 |
| 1993 | 157 |
| 1994 | 160 |
| 1995 | 160 |
| 1996 | 144 |
| 1997 | 146 |
| 1998 | 151 |
| 1999 | 194 |
| 2000 | 189 |
| 2001 | 206 |
| 2002 | 232 |
| 2003 | 250 |
| 2004 | 262 |
| 2005 | 238 |
| 2006 | 302 |
| 2007 | 281 |
| 2008 | 262 |
| 2009 | 318 |
| 2010 | 335 |
| 2011 | 371 |
| 2012 | 365 |
| 2013 | 370 |
| 2014 | 329 |
| 2015 | 324 |
| 2016 | 316 |
| 2017 | 307 |
| 2018 | 286 |
| 2019 | 284 |
| 2020 | 322 |
| 2021 | 369 |
| 2022 | 308 |
| 2023 | 282 |
| 2024 | 296 |
| 2025 | 245 |
| 2026 | 4 |