Verb + adverb the number of sold phones

1. 
   VERB + ADVERB
   

THE NUMBER OF SOLD PHONES INCREASED SIGNIFICANTLY TO ABOUT 45 % IN JUNE.
BY ABOUT 35% IN JUNE. ( DIFFERENCE)

2. 
   THERE WAS a/an--- ADJ + NOUN
   

THERE WAS A SIGNIFICANT INCREASE IN THE NUMBER OF SOLD PHONES TO ABOUT 45 % IN JUNE.

OF ABOUT 35% IN JUNE. ( DIFFERENCE) AFTER N OUNS ONLY.

3. 
   SUBJECT + EXPERIENCED A+ADJ NOUN
   

(have, see, witness)

THE NUMBER OF SOLD PHONES EXPERIENCED A SIGNIFICANT INCREASE TO ROUGHLY 45% IN JUNE.

4. 
   PAST PERF -- BY APRIL/ BY 2000
   

THE NUMBER OF SOLD PHONES HAD EXPERIENCED A SIGNIFICANT INCREASE TO ROUGHLY 45% BY JUNE.