Company	Share, %
Nuveen AMT-Free Municipal Value Fund	4.58
Western Asset Municipal High Income Fund Inc.	4.43
Nuveen Select Maturities Municipal Fund	3.02
Nuveen New York Municipal Value Fund	2.91
Nuveen New York Select Tax-Free Income Portfolio	2.48
Nuveen Municipal Value Fund, Inc.	0.78
Nuveen California Municipal Value Fund	0.51
Western Asset Investment Grade Income Fund Inc.	0.32