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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 5 |
| 1949 | 3 |
| 1951 | 10 |
| 1952 | 22 |
| 1953 | 61 |
| 1954 | 55 |
| 1955 | 36 |
| 1956 | 44 |
| 1957 | 42 |
| 1958 | 25 |
| 1959 | 50 |
| 1960 | 56 |
| 1961 | 53 |
| 1962 | 32 |
| 1963 | 2 |
| 1964 | 7 |
| 1965 | 79 |
| 1966 | 143 |
| 1967 | 251 |
| 1968 | 256 |
| 1969 | 279 |
| 1970 | 291 |
| 1971 | 321 |
| 1972 | 294 |
| 1973 | 263 |
| 1974 | 272 |
| 1975 | 266 |
| 1976 | 214 |
| 1977 | 211 |
| 1978 | 173 |
| 1979 | 172 |
| 1980 | 179 |
| 1981 | 168 |
| 1982 | 176 |
| 1983 | 155 |
| 1984 | 202 |
| 1985 | 218 |
| 1986 | 199 |
| 1987 | 184 |
| 1988 | 184 |
| 1989 | 207 |
| 1990 | 184 |
| 1991 | 193 |
| 1992 | 214 |
| 1993 | 200 |
| 1994 | 231 |
| 1995 | 199 |
| 1996 | 211 |
| 1997 | 238 |
| 1998 | 220 |
| 1999 | 224 |
| 2000 | 253 |
| 2001 | 226 |
| 2002 | 220 |
| 2003 | 215 |
| 2004 | 208 |
| 2005 | 227 |
| 2006 | 233 |
| 2007 | 240 |
| 2008 | 239 |
| 2009 | 236 |
| 2010 | 222 |
| 2011 | 244 |
| 2012 | 243 |
| 2013 | 258 |
| 2014 | 245 |
| 2015 | 236 |
| 2016 | 220 |
| 2017 | 245 |
| 2018 | 236 |
| 2019 | 216 |
| 2020 | 212 |
| 2021 | 155 |
| 2022 | 104 |
| 2023 | 82 |
| 2024 | 29 |