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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 74 |
| 1960 | 175 |
| 1961 | 174 |
| 1962 | 186 |
| 1963 | 220 |
| 1964 | 246 |
| 1965 | 251 |
| 1966 | 203 |
| 1967 | 211 |
| 1968 | 199 |
| 1969 | 235 |
| 1970 | 254 |
| 1971 | 258 |
| 1972 | 242 |
| 1973 | 225 |
| 1974 | 279 |
| 1975 | 229 |
| 1976 | 234 |
| 1977 | 305 |
| 1978 | 410 |
| 1979 | 372 |
| 1980 | 410 |
| 1981 | 409 |
| 1982 | 420 |
| 1983 | 494 |
| 1984 | 495 |
| 1985 | 494 |
| 1986 | 466 |
| 1987 | 422 |
| 1988 | 406 |
| 1989 | 451 |
| 1990 | 431 |
| 1991 | 409 |
| 1992 | 394 |
| 1993 | 328 |
| 1994 | 347 |
| 1995 | 351 |
| 1996 | 347 |
| 1997 | 383 |
| 1998 | 386 |
| 1999 | 401 |
| 2000 | 524 |
| 2001 | 464 |
| 2002 | 450 |
| 2003 | 441 |
| 2004 | 397 |
| 2005 | 423 |
| 2006 | 411 |
| 2007 | 406 |
| 2008 | 419 |
| 2009 | 394 |
| 2010 | 428 |
| 2011 | 535 |
| 2012 | 603 |
| 2024 | 0 |