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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1952 | 2 |
| 1953 | 44 |
| 1954 | 45 |
| 1955 | 62 |
| 1956 | 49 |
| 1957 | 69 |
| 1958 | 70 |
| 1959 | 71 |
| 1960 | 75 |
| 1961 | 74 |
| 1962 | 50 |
| 1963 | 9 |
| 1964 | 9 |
| 1965 | 11 |
| 1966 | 152 |
| 1967 | 205 |
| 1968 | 290 |
| 1969 | 329 |
| 1970 | 319 |
| 1971 | 317 |
| 1972 | 282 |
| 1973 | 335 |
| 1974 | 350 |
| 1975 | 276 |
| 1976 | 206 |
| 1977 | 219 |
| 1978 | 218 |
| 1979 | 217 |
| 1980 | 192 |
| 1981 | 179 |
| 1982 | 204 |
| 1983 | 186 |
| 1984 | 237 |
| 1985 | 206 |
| 1986 | 190 |
| 1987 | 181 |
| 1988 | 186 |
| 1989 | 206 |
| 1990 | 213 |
| 1991 | 215 |
| 1992 | 217 |
| 1993 | 210 |
| 1994 | 210 |
| 1995 | 174 |
| 1996 | 169 |
| 1997 | 220 |
| 1998 | 184 |
| 1999 | 186 |
| 2000 | 200 |
| 2001 | 216 |
| 2002 | 194 |
| 2003 | 199 |
| 2004 | 219 |
| 2005 | 193 |
| 2006 | 248 |
| 2007 | 244 |
| 2008 | 265 |
| 2009 | 287 |
| 2010 | 303 |
| 2011 | 327 |
| 2012 | 337 |
| 2013 | 385 |
| 2014 | 368 |
| 2015 | 371 |
| 2016 | 359 |
| 2017 | 400 |
| 2018 | 325 |
| 2019 | 341 |
| 2020 | 282 |
| 2021 | 161 |
| 2022 | 22 |
| 2023 | 5 |
| 2024 | 2 |