United Kingdom
The following table shows previous lists and the number of systems installed when the list was published. Country Efficiency in the table is SUM(Rmax)/SUM(Rpeak), expressed as a percentage.
This country maintained presence in the list since the list was started in June 1993.
| List | Systems | Highest Ranking | Sum Rmax (GFlops) |
Sum Rpeak (GFlops) |
Efficiency (%) |
|---|---|---|---|---|---|
| 06/2008 | 53 | 18 | 822304.67 | 1359693.70 | 60.48 |
| 11/2007 | 48 | 17 | 512400.11 | 818365.60 | 62.61 |
| 06/2007 | 44 | 24 | 337997.22 | 526345.80 | 64.22 |
| 11/2006 | 30 | 15 | 186417.69 | 307944.12 | 60.54 |
| 06/2006 | 35 | 31 | 137861.61 | 252305.32 | 54.64 |
| 11/2005 | 41 | 33 | 124409.32 | 235389.96 | 52.85 |
| 06/2005 | 32 | 24 | 85558.87 | 173196.36 | 49.40 |
| 11/2004 | 42 | 11 | 82928.26 | 170858.12 | 48.54 |
| 06/2004 | 36 | 6 | 59799.13 | 110962.68 | 53.89 |
| 11/2003 | 33 | 16 | 29607.73 | 55720.80 | 53.14 |
| 06/2003 | 36 | 12 | 23426.20 | 47486.80 | 49.33 |
| 11/2002 | 39 | 9 | 20644.80 | 38186.00 | 54.06 |
| 06/2002 | 37 | 11 | 11896.20 | 21143.80 | 56.26 |
| 11/2001 | 34 | 21 | 7236.12 | 9987.70 | 72.45 |
| 06/2001 | 32 | 16 | 5667.76 | 7654.40 | 74.05 |
| 11/2000 | 34 | 12 | 5290.88 | 7090.63 | 74.62 |
| 06/2000 | 28 | 14 | 3913.43 | 5497.62 | 71.18 |
| 11/1999 | 24 | 11 | 3203.14 | 4759.31 | 67.30 |
| 06/1999 | 29 | 7 | 2655.55 | 3848.38 | 69.00 |
| 11/1998 | 28 | 5 | 2253.47 | 3116.97 | 72.30 |
| 06/1998 | 25 | 4 | 1357.10 | 1946.91 | 69.71 |
| 11/1997 | 24 | 3 | 1137.49 | 1691.28 | 67.26 |
| 06/1997 | 24 | 21 | 466.84 | 606.93 | 76.92 |
| 11/1996 | 18 | 10 | 360.49 | 471.80 | 76.41 |
| 06/1996 | 12 | 22 | 160.22 | 222.60 | 71.98 |
| 11/1995 | 17 | 23 | 144.30 | 197.44 | 73.08 |
| 06/1995 | 16 | 18 | 136.23 | 190.25 | 71.61 |
| 11/1994 | 24 | 14 | 113.08 | 154.24 | 73.32 |
| 06/1994 | 24 | 16 | 92.56 | 127.73 | 72.46 |
| 11/1993 | 21 | 17 | 44.57 | 60.06 | 74.21 |
| 06/1993 | 25 | 12 | 45.77 | 61.65 | 74.24 |