Worldwide sales of semiconductors grew by 7.6 percent to $22.2 billion in July from July 2007 sales of $20.6 billion. Sales grew by 2.8 percent from June when sales were $21.6 billion.Year-to-date sales through July were $148.3 billion, an increase of 5 percent from the same period of 2007 when sales were $141.3 billion.