The following graph clearly shows that the price-to-income ratio in Taipei City began to rise rapidly in 2006-2007, and it now stands as high as it has since the housing bubble that peaked in 1990.
從圖一觀察，即可清楚看出台北市房價所得比在 2006 ~ 2007 年後快速攀升，直追 1990 年前後台灣房地產泡沫化時的高峰。