Assuming this is accurate, and I see no reason to doubt it, and admitting that it is a small sample size -
Tries scored
2011: 39
2012: 50
28.2% increase This is statistically significant
Penalties in game
2011: 183
2012: 193
5.5% increase No significant increase in penalties.
Penalty kicks aimed at goal
2011: 45
2012: 16
64.4% decrease This is hugely significant.
Yellow cards
2011: 3
2012: 3
No change
Total points scored
2011: 359
2012: 379
5.6% increase No significant change, but a difference in how it's comprised, for the better.
Sometimes what happens and what you think will happen are very different.
It's the problem with subjectively based predictions. Looks like the indications are good that reducing a penalty goal to two points with an increase in the value of a conversion to three (not something I had even considered) means that teams are going for more try opportunities and kicking for better field position instead of a penalty goal. That still advantages the attacking side while punishing the infringing team and does NOT seem to result in a rampant increase in breaches and infringements. Interesting.
This trial should be expanded and the results investigated further. You'd have to be defending a position on pig-headed principle not to agree with that much at least.