NEW YORK — The onset of spring brought glad tidings to Broadway in Week 43 (March 19-25), raising the week’s total net to $13,799,310, an increase of 10.1%. Total attendance was 251,032, a rise of 7.2%.Highly anticipated new tuner “The Producers” made a strong showing in its first week of previews, taking in $828,335 out of a gross potential of $877,338. Also in its first week of previews was “Stones in His Pockets,” which took in $126,654 for four shows out of a gross potential of $169,537. Among ongoing shows, there were about as many gainers as losers. “The Search for Signs of Intelligent Life in the Universe” got a big boost as it returned to a full sked. Also up significantly were “The Music Man” (rising by $56,989) and the Roundabout Theater Co.’ “Design for Living,” which jumped by $44,658 to $243,041 despite many downbeat reviews. The 22 musicals totaled $11,619,617 for 84.2% of the Broadway returns, with paid attendance of 202,178 at 88.8% of musical capacity. The 9 plays totaled $2,179,693 for 15.7% of the Broadway total, with paid attendance of 48,854 at 78.1% of play capacity. Average ticket prices were $54.97 for all shows, $56.26 for musicals and $44.03 for plays.