| No. of Hong Kong's official delegations visiting the Mainland:
| | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
| Jan-Mar | 260 | 215 | 368 | 277 | 248 | 362 | 229 | 397 | 295 | 270 | 407 | 357 |
| Apr-Jun | 276 | 302 | 415 | 376 | 420 | 546 | 178 | 407 | 377 | 447 | 555 | 474 |
| Jul-Sep | 279 | 273 | 392 | 328 | 397 | 379 | 301 | 372 | 426 | 472 | 481 | 335 |
| Oct-Dec | 337
| 331 | 406
| 359 | 509
| 395 | 393
| 383 | 397
| 445 | 501 | 554 |
No. of Mainland's official delegations visiting HKSAR:
| | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
| Jan-Mar | 216 | 177 | 235 | 279 | 252 | 262 | 227 | 464 | 285 | 336 | 319 | 374 |
| Apr-Jun | 250 | 249 | 239 | 258 | 305 | 356 | 63 | 385 | 351 | 475 | 449 | 396 |
| Jul-Sep | 125 | 220 | 260 | 322 | 395 | 410 | 353 | 343 | 471 | 465 | 433 | 239 |
| Oct-Dec | 245
| 263 | 312
| 416 | 440
| 429 | 500
| 450 | 455
| 485 | 514 | 515 |
|