Overall stats (without timeout), 
last week (20110502 - 20110508):

Client loss:                        0.076%
Overall IPv6 dualstack preference:  8.114%
- of which are 6to4:                0.535%
- of which are Teredo:              0.002%
- of which are other/native:        99.463%

Overall stats (with 10s timeout), 
last week (20110502 - 20110508):

Client loss:                        0.134%
Overall IPv6 dualstack preference:  8.124%
- of which are 6to4:                0.525%
- of which are Teredo:              0.002%
- of which are other/native:        99.473%