year,n,base_p_up,n_buy,p_up_buy,n_sell,p_up_sell,diff_pp,mean_gap_buy_pct,mean_gap_sell_pct,fisher_p,spearman_fii_gap
2014,239,67.8,159,69.8,80,63.7,6.1,0.121,0.082,0.38,0.034
2015,244,66.8,108,65.7,136,67.6,-1.9,0.073,0.166,0.785,-0.076
2016,243,68.3,116,69.0,126,67.5,1.5,0.074,0.129,0.89,-0.073
2017,246,74.8,88,72.7,158,75.9,-3.2,0.143,0.174,0.646,-0.119
2018,243,70.8,83,65.1,160,73.8,-8.7,0.056,0.106,0.181,-0.117
2019,245,71.0,114,74.6,131,67.9,6.6,0.155,0.143,0.263,0.042
2020,251,70.9,134,71.6,117,70.1,1.6,0.222,0.151,0.889,-0.021
2021,248,72.2,98,70.4,150,73.3,-2.9,0.153,0.209,0.665,-0.085
2022,248,60.5,78,71.8,170,55.3,16.5,0.158,-0.027,0.0172,0.082
2023,246,68.3,107,68.2,139,68.3,-0.1,0.149,0.11,1.0,0.048
2024,248,65.7,92,75.0,156,60.3,14.7,0.143,0.073,0.0191,0.099
2025,249,59.4,79,63.3,170,57.6,5.6,0.045,0.034,0.41,-0.025
2026,204,48.5,59,50.8,145,47.6,3.3,-0.046,0.015,0.758,-0.029