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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 2 |
| 1954 | 11 |
| 1955 | 16 |
| 1956 | 9 |
| 1957 | 18 |
| 1958 | 10 |
| 1959 | 17 |
| 1960 | 15 |
| 1961 | 14 |
| 1962 | 12 |
| 1964 | 2 |
| 1965 | 31 |
| 1966 | 83 |
| 1967 | 102 |
| 1968 | 121 |
| 1969 | 147 |
| 1970 | 156 |
| 1971 | 153 |
| 1972 | 157 |
| 1973 | 169 |
| 1974 | 172 |
| 1975 | 124 |
| 1976 | 139 |
| 1977 | 139 |
| 1978 | 137 |
| 1979 | 144 |
| 1980 | 150 |
| 1981 | 160 |
| 1982 | 141 |
| 1983 | 144 |
| 1984 | 132 |
| 1985 | 129 |
| 1986 | 130 |
| 1987 | 139 |
| 1988 | 150 |
| 1989 | 135 |
| 1990 | 115 |
| 1991 | 119 |
| 1992 | 158 |
| 1993 | 153 |
| 1994 | 167 |
| 1995 | 164 |
| 1996 | 149 |
| 1997 | 170 |
| 1998 | 170 |
| 1999 | 148 |
| 2000 | 195 |
| 2001 | 182 |
| 2002 | 185 |
| 2003 | 198 |
| 2004 | 236 |
| 2005 | 225 |
| 2006 | 259 |
| 2007 | 252 |
| 2008 | 275 |
| 2009 | 268 |
| 2010 | 313 |
| 2011 | 295 |
| 2012 | 341 |
| 2013 | 332 |
| 2014 | 345 |
| 2015 | 342 |
| 2016 | 327 |
| 2017 | 315 |
| 2018 | 342 |
| 2019 | 346 |
| 2020 | 328 |
| 2021 | 301 |
| 2022 | 343 |
| 2023 | 370 |
| 2024 | 335 |
| 2025 | 178 |
| 2026 | 1 |