Of these, almost 5,000 were ended within 60 seconds of the automated messages, suggesting their needs were likely to have been met.
O’r rhain, cafodd bron i 5,000 eu terfynu o fewn 60 eiliad i’r negeseuon awtomatig, gan awgrymu bod eu hanghenion yn debygol o fod wedi cael eu diwallu.