<prompt> Translate the following text to SwahiliIn 1999, the electric power industry was responsible for 67 percent of sulfur dioxide emissions, 25 percent of nitrogen oxide emissions, and 37 percent of mercury emissions in the United States.  <response>: Katika mwaka wa 1999, sekta ya umeme ilisababisha asilimia 67 ya uzalishaji wa dioksidi ya sulfuri, asilimia 25 ya uzalishaji wa oksidi ya nitrojeni, na asilimia 37 ya uzalishaji wa zebaki nchini Marekani. 