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

Client loss:                        0.005%
Overall IPv6 dualstack preference:  0.025%
- of which are 6to4:                36.923%
- of which are Teredo:              15.231%
- of which are other/native:        47.846%

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

Client loss:                        0.006%
Overall IPv6 dualstack preference:  0.025%
- of which are 6to4:                36.631%
- of which are Teredo:              15.301%
- of which are other/native:        48.068%