This paper gives some information about acoustic measures in alaryngeal speakers with TEPs though I'm not sure it alone can qualify as normative data. http://www.ncbi.nlm.nih.gov/pubmed/26395116
This recent paper reviews the literature on the topic.
http://www.ncbi.nlm.nih.gov/pubmed/28306586
There have also been a couple of papers that assessed acoustic features of other types of alaryngeal speech that might give some starting points. http://www.ncbi.nlm.nih.gov/pubmed/27538050 http://www.ncbi.nlm.nih.gov/pubmed/26575366