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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 9 |
| 1950 | 70 |
| 1951 | 100 |
| 1952 | 80 |
| 1953 | 101 |
| 1954 | 87 |
| 1955 | 115 |
| 1956 | 106 |
| 1957 | 120 |
| 1958 | 140 |
| 1959 | 152 |
| 1960 | 153 |
| 1961 | 210 |
| 1962 | 242 |
| 1963 | 237 |
| 1964 | 235 |
| 1965 | 301 |
| 1966 | 351 |
| 1967 | 316 |
| 1968 | 321 |
| 1969 | 266 |
| 1970 | 342 |
| 1971 | 357 |
| 1972 | 365 |
| 1973 | 249 |
| 1974 | 351 |
| 1975 | 342 |
| 1976 | 336 |
| 1977 | 431 |
| 1978 | 416 |
| 1979 | 348 |
| 1980 | 474 |
| 1981 | 448 |
| 1982 | 464 |
| 1983 | 403 |
| 1984 | 478 |
| 1985 | 471 |
| 1986 | 497 |
| 1987 | 497 |
| 1988 | 508 |
| 1989 | 510 |
| 1990 | 485 |
| 1991 | 506 |
| 1992 | 441 |
| 1993 | 298 |
| 1994 | 318 |
| 1995 | 301 |
| 1996 | 303 |
| 1997 | 293 |
| 1998 | 283 |
| 1999 | 245 |
| 2000 | 256 |
| 2001 | 250 |
| 2002 | 283 |
| 2003 | 261 |
| 2004 | 264 |
| 2005 | 260 |
| 2006 | 233 |
| 2007 | 237 |
| 2008 | 247 |
| 2009 | 218 |
| 2010 | 198 |
| 2011 | 182 |
| 2012 | 211 |
| 2013 | 234 |
| 2014 | 251 |
| 2015 | 232 |
| 2016 | 242 |
| 2017 | 233 |
| 2018 | 230 |
| 2019 | 248 |
| 2020 | 222 |
| 2021 | 223 |
| 2022 | 182 |
| 2023 | 181 |
| 2024 | 18 |