Gaon has gone through the data and released their Yearly Chart Ranking for 2012.

Gaon Chart National Digital Singles Ranking 2012
11. TaeTiSeo – “Twinkle”
52. Girls’ Generation’s Taeyeon – “Crazily Missing You”

Gaon Chart National Physical Albums Ranking 2012
8. TaeTiSeo – ‘Twinkle’ – 144,222 albums

cr: allkpop