Yamaha cơ
-17%
-13%
-6%
-10%
-10%
-8%
-8%
-8%
-10%
-10%
-18%
-8%
-8%
-9%
-15%
-10%
-27%
-18%
-18%
-19%
-17%
-17%
-9%
-14%
-10%
-17%
-8%
-8%
-9%
-11%
-22%
-15%
-14%
-14%
-8%
-6%
-8%
-5%
-12%
-12%
-8%
-6%
-9%
Kawai Cơ
-19%
-16%
-22%
-16%
-16%
-18%
-19%
-14%
-7%
-12%
-14%
-30%
-8%
-11%
-18%
-22%
Các Hãng khác
-23%
-17%
-21%
-21%
-20%
-40%
-13%
-13%
-13%
-13%
-11%
-16%
-28%
-17%
-16%
-22%
-17%
-13%
-23%
-17%
-17%
-9%
-12%
-13%
-17%
-17%
-15%
-11%
-13%
-16%
-13%
-13%
-17%