Yields on Singapore Government bonds

Here are the yields of government bonds, obtained from
www.fundsupermart.com.sg

The yield is about 1% for durations up to 3 yrs, 1.5% for duration of around 5 years, 2.5% for 10 years and 3% for 15 years and longer.

The yields are low.

Bond Name                                    Year  IYld
NX98100H; Coupon 5.625%; Maturity 01/07/2008 0.32  1.47 
NX99100S; Coupon 4.375%; Maturity 15/01/2009 0.86  0.93 
N504100Z; Coupon 2.375%; Maturity 01/10/2009 1.56  1.04 
N505100F; Coupon 2.625%; Maturity 01/04/2010 2.07  1.28 
NX00100T; Coupon 4.625%; Maturity 01/07/2010 2.32  1.07 
NX01100H; Coupon 3.625%; Maturity 01/07/2011 3.32  1.16 
NX02100S; Coupon 3.500%; Maturity 01/07/2012 4.32  1.46 
NX03100Z; Coupon 2.250%; Maturity 01/07/2013 5.32  1.68 
NX04100F; Coupon 3.625%; Maturity 01/07/2014 6.32  1.89 
NY01100F; Coupon 3.750%; Maturity 01/09/2016 8.48  2.31 
NY03100A; Coupon 4.000%; Maturity 01/09/2018 10.48  2.50 
NY05100N; Coupon 3.250%; Maturity 01/09/2020 12.48  2.79 
NY07100X; Coupon 3.125%; Maturity 01/09/2022 14.48  3.01 
NZ07100S; Coupon 3.500%; Maturity 01/03/2027 18.99  3.25

YrTM: Years to maturity
IYld: indicative yield based on offer price