

Table 4. Profiling dates by survey number. 









Survey 

 number 



1970-71 



Survey 

 number 



1971-72 



Survey 

 number 



1972-73 



1 



3 to 5 Aug. 70 



14 



2 to 3 Aug. 71 



27 



29 



to 30 July 



72 



2 



28 to 29 Aug. 70 



IS 



26 to 28 Aug. 71 



28 



25 



to 26 Aug. 



72 



3 



26 to 27 Sept. 70 



16 



24 to 26 Sept. 71 



29 



29 



to 30 Sept. 



72 



4 



24 to 25 Oct. 70 



17 



22 to 24 Oct. 71 



30 



20 



to 21 Oct. 



72 



S 



21 to 22 Nov. 70 



18 



19 to 20 Nov. 71 



31 



18 



to 19 Nov. 



72 



6 



18 to 20 Dec. 70 



19 



20 to 21 Dec. 71 



32 



28 



to 29 Dec. 



72 



7 



IS to 17 Jan. 71 



20 



15 to 17 Jan. 72 



33 



13 



to 14 Jan. 



73 



8 



12 to 13 Feb. 71 



21 



12 to 13 Feb. 72 



34 



10 



to 11 Feb. 



73 



9 



12 to 14 Mar. 71 



22 



10 to 12 Mar. 72 



35 



9 



to 11 Mar. 



73 



10 



9 to 11 Apr. 71 



23 



7 to 8 Apr. 72 



36 



7 



and 14 Apr. 



73 



11 



9 to 11 May 71 



24 



6 to 7 May 72 



37 



7 



to 8 May 



73 



12 



2 to 4 June 71 



25 



4 to 6 June 71 



38 



7 



to 8 June 



73 



13 



30 June to 2 July 71 



26 



30 June to 1 July 72 



39 



6 



to 7 July 



73 



25 



