पारानि ( गराव ) 135 मायख्र'ग्रामफोर जायफोर 1981 आव जोनोम जादोंमोननो होजादों , आरो ओतिजोमनि मोनसे जाथाया बे बोसोराव साफ्रोमबो 2 , 600 गथफोर जोनोम जानायनाव जादोंमोन ।
Those born in 1981 were given 135 micrograms of mercury on average and one case of autism occurred in every 2 600 children born that year .