Generate a more complex version of this sentence Matsakaicin kudin da ma'aikata ke bayarwa ya kai kashi 9.5 tun daga ranar 1 ga watan Yulin 2014.
Tabbas, sigar da ta fi rikitarwa ta jumla ita ce "Rashin biyan bashin ma'aikaci ya kasance 9.5% tun daga 1 ga Yuli 2014, kuma ana shirin haɓaka a hankali zuwa 12% tsakanin 2021 da 2025. "