pc7  15  0.0186  –0.0146  0.0873  –0.0306  –0.0469  0.00653  –0.0186  0.00734  –5.23E–09  3.02E–10  –2.34E–08  –6.69E–09  9.35E–09  6.33E–09     –1.39E–08