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

Client loss:                        0.063%
Overall IPv6 dualstack preference:  0.553%
- of which are 6to4:                15.321%
- of which are Teredo:              0.000%
- of which are other/native:        84.679%
Overall stats (with 10s timeout), 
last week (20110502 - 20110508):

Client loss:                        0.096%
Overall IPv6 dualstack preference:  0.554%
- of which are 6to4:                15.301%
- of which are Teredo:              0.000%
- of which are other/native:        84.699%